/ Dictionary / Index D deesis: Meaning and Definition of Find definitions for: de•e•sis Pronunciation: (dē-ē'sis), [key] — pl. -ses a representation in Byzantine art of Christ enthroned and flanked by the Virgin Mary and St. John the Baptist, often found on an iconostasis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. de-escalate Deet Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language